"The US Food and Drug Administration (FDA) has approved oxymetazoline hydrochloride 1% cream (Rhofade, Allergan) for the topical treatment of persistent facial erythema associated with rosacea in adults.
Persistent facial erythe"...
MetroGel Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
MetroGel (metronidazole) Topical gel is a topical (for the skin) antibiotic used to treat skin lesions caused by rosacea. MetroGel is available in generic form. Common side effects of MetroGel include:
- skin stinging/burning/irritation/dryness/ redness/scaling/itching,
- metallic taste,
- numbness or tingly feeling in your hands or feet,
- stuffy nose,
- sore throat,
- cold symptoms, or
- vaginal itching or discharge.
Apply and rub in a thin film dose of Metrogel once daily to affected area(s). Metrogel may interact with blood thinners such as warfarin (Coumadin). It is not likely that other drugs you take orally or inject will have an effect on topically applied Metrogel. Tell your doctor all medications and supplements you use. Metrogel should be used only when prescribed during pregnancy. Metrogel passes into breast milk. Consult your doctor before breastfeeding.
Our Metrogel (metronidazole) Drug Center provides a comprehensive view of available drug information as well as related drugs, user reviews, supplements, and diseases and conditions articles.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is Patient Information in Detail?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
MetroGel in Detail - Patient Information: Side Effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor if you have severe stinging or burning when you apply metronidazole topical.
Less serious side effects may include:
- mild burning or stinging when the medication is applied;
- numbness or tingly feeling in your hands or feet;
- cough, stuffy nose, sore throat, cold symptoms;
- vaginal itching or discharge;
- dry, scaly, or itchy skin;
- nausea; or
- metallic taste in your mouth.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
Read the entire detailed patient monograph for MetroGel (Metronidazole)
What is Patient Information Overview?
A concise overview of the drug for the patient or caregiver from First DataBank.
MetroGel Overview - Patient Information: Side Effects
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor immediately if you have this unlikely but serious side effect: tingling or numbness of the hands and feet.
A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Read the entire patient information overview for MetroGel (Metronidazole)
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
MetroGel FDA Prescribing Information: Side Effects
Clinical Studies Experience
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
In a controlled clinical trial, 557 patients used metronidazole gel, 1% and 189 patients used the gel vehicle once daily for up to 10 weeks. The following table summarizes selected adverse reactions that occurred at a rate of ≥ 1%:
Table 1: Adverse Reactions That Occurred at a Rate of ≥ 1%
|System Organ Class/Preferred Term||Metronidazole Gel, 1%
|Patients with at least one AE
Number (%) of Patients
|186 (33.4)||51 (27.0)|
|Infections and infestations||76 (13.6)||28 (14.8)|
|Bronchitis||6 (1.1)||3 (1.6)|
|Influenza||8 (1.4)||1 (0.5)|
|Nasopharyngitis||17 (3.1)||8 (4.2)|
|Sinusitis||8 (1.4)||3 (1.6)|
|Upper respiratory tract infection||14 (2.5)||4 (2.1)|
|Urinary tract infection||6 (1.1)||1 (0.5)|
|Vaginal mycosis||1 (0.2)||2 (1.1)|
|Musculoskeletal and connective tissue disorders||19 (3.4)||5 (2.6)|
|Back pain||3 (0.5)||2 (1.1)|
|Neoplasms||4 (0.7)||2 (1.1)|
|Basal cell carcinoma||1 (0.2)||2 (1.1)|
|Nervous system disorders||18 (3.2)||3 (1.6)|
|Headache||12 (2.2)||1 (0.5)|
|Respiratory, thoracic and mediastinal disorders||22 (3.9)||5 (2.6)|
|Nasal congestion||6 (1.1)||3 (1.6)|
|Skin and subcutaneous tissue disorders||36 (6.5)||12 (6.3)|
|Contact dermatitis||7 (1.3)||1 (0.5)|
|Dry skin||6 (1.1)||3 (1.6)|
|Vascular disorders||8 (1.4)||1 (0.5)|
|Hypertension||6 (1.1)||1 (0.5)|
Table 2: Local Cutaneous Signs and Symptoms of Irritation
That Were Worse Than Baseline
|Sign/Symptom||Metronidazole Gel, 1%
|Dryness||138 (25.4)||63 (34.2)|
|Mild||93 (17.1)||41 (22.3)|
|Moderate||42 (7.7)||20 (10.9)|
|Severe||3 (0.6)||2 (1.1)|
|Scaling||134 (24.6)||60 (32.6)|
|Mild||88 (16.2)||32 (17.4)|
|Moderate||43 (7.9)||27 (14.7)|
|Severe||3 (0.6)||1 (0.5)|
|Pruritus||86 (15.8)||35 (19.0)|
|Mild||53 (9.7)||21 (11.4)|
|Moderate||27 (5.0)||13 (7.1)|
|Severe||6 (1.1)||1 (0.5)|
|Stinging/burning||56 (10.3)||28 (15.2)|
|Mild||39 (7.2)||18 (9.8)|
|Moderate||7 (1.3)||9 (4.9)|
|Severe||10 (1.8)||1 (0.5)|
The following additional adverse experiences have been reported with the topical use of metronidazole: skin irritation, transient redness, metallic taste, tingling or numbness of extremities, and nausea.
Post Marketing Experience
The following adverse reaction has been identified during post approval use of topical metronidazole: peripheral neuropathy. Because this reaction is reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate the frequency or establish a causal relationship to drug exposure.
Read the entire FDA prescribing information for MetroGel (Metronidazole)
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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